From 19b72fe779ede80f3fe32bbdbd86bb09cb225477 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Mon, 27 Feb 2023 15:03:22 +0100
Subject: [PATCH] luna: Add strlcpy()

---
 luna/include/luna/CString.h |  2 ++
 luna/src/CString.cpp        | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/luna/include/luna/CString.h b/luna/include/luna/CString.h
index db7991d9..3765c45a 100644
--- a/luna/include/luna/CString.h
+++ b/luna/include/luna/CString.h
@@ -22,6 +22,8 @@ extern "C"
     // FIXME: Replace this invented function with strlcpy().
     void nullcpy(char* dest, const char* src, usize len);
 
+    usize strlcpy(char* dest, const char* src, usize len);
+
     [[deprecated]] char* strcpy(char* dst, const char* src);
     [[deprecated]] char* strcat(char* dst, const char* src);
 
diff --git a/luna/src/CString.cpp b/luna/src/CString.cpp
index e1ba020e..e9a9fefc 100644
--- a/luna/src/CString.cpp
+++ b/luna/src/CString.cpp
@@ -125,4 +125,15 @@ extern "C"
         if (*str) return const_cast<char*>(str);
         return NULL;
     }
+
+    usize strlcpy(char* dest, const char* src, usize len)
+    {
+        usize src_len = strlen(src);
+        usize copy_len = src_len;
+        if (len == 0) return src_len;
+        if (src_len >= (len - 1)) copy_len = len - 1;
+        memcpy(dest, src, copy_len);
+        dest[copy_len] = 0;
+        return src_len;
+    }
 }